3.8 sec in total
735 ms
1.6 sec
1.5 sec
Welcome to coolsciencegifs.tumblr.com homepage info - get ready to check COOL SCIENCE GIFS Tumblr best content for United States right away, or after learning these important things about coolsciencegifs.tumblr.com
Visit coolsciencegifs.tumblr.comWe analyzed Coolsciencegifs.tumblr.com page load time and found that the first response time was 735 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
coolsciencegifs.tumblr.com performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value3.4 s
66/100
25%
Value7.3 s
28/100
10%
Value5,520 ms
0/100
30%
Value0.051
99/100
15%
Value9.9 s
27/100
10%
735 ms
8 ms
7 ms
14 ms
12 ms
Our browser made a total of 83 requests to load all elements on the main page. We found that 10% of them (8 requests) were addressed to the original Coolsciencegifs.tumblr.com, 25% (21 requests) were made to 45.media.tumblr.com and 16% (13 requests) were made to 49.media.tumblr.com. The less responsive or slowest element that took the longest time to load (735 ms) belongs to the original domain Coolsciencegifs.tumblr.com.
Page size can be reduced by 554.4 kB (58%)
963.3 kB
408.9 kB
In fact, the total size of Coolsciencegifs.tumblr.com main page is 963.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 576.1 kB which makes up the majority of the site volume.
Potential reduce by 130.2 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 47.0 kB, which is 32% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 130.2 kB or 88% of the original size.
Potential reduce by 4.7 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. COOL SCIENCE GIFS Tumblr images are well optimized though.
Potential reduce by 370.7 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 370.7 kB or 64% of the original size.
Potential reduce by 48.8 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Coolsciencegifs.tumblr.com needs all CSS files to be minified and compressed as it can save up to 48.8 kB or 87% of the original size.
Number of requests can be reduced by 19 (24%)
80
61
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COOL SCIENCE GIFS Tumblr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
coolsciencegifs.tumblr.com
735 ms
pre_tumblelog.js
8 ms
normalize.css
7 ms
main.css
14 ms
tumblelog_post_message_queue.js
12 ms
stylesheet.css
12 ms
jquery.min.js
52 ms
jquery.masonry.min.js
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main-min.js
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flag.js
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index.js
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avatar_2b65d03a9e5e_128.png
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analytics.js
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false
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like_iframe.html
29 ms
false
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false
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false
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false
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false
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false
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watch
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fc.php
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impixu
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analytics.html
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login_check.html
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avatar_2b65d03a9e5e_40.png
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iframe_logo.png
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rapid-3.36.js
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rapidworker-1.2.js
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ga.js
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analytics.js
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cs.js
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yql
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flagsprites.png
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coolsciencegifs.tumblr.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
coolsciencegifs.tumblr.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
coolsciencegifs.tumblr.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coolsciencegifs.tumblr.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Coolsciencegifs.tumblr.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
coolsciencegifs.tumblr.com
Open Graph data is detected on the main page of COOL SCIENCE GIFS Tumblr. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: